Details
A Krenchel's Optitalmoscope,
signed H.E. HOLSTS EF.T.F. KJØBENHAVN, with thirteen lensed and one clear lens on rotating volvelle, lacquered brass shank and tapering ebonised handle, in plush-lined shaped leather-covered case 8in. (20.3cm.) long; and two glass eye-baths
See illustration (3)
signed H.E. HOLSTS EF.T.F. KJØBENHAVN, with thirteen lensed and one clear lens on rotating volvelle, lacquered brass shank and tapering ebonised handle, in plush-lined shaped leather-covered case 8in. (20.3cm.) long; and two glass eye-baths
See illustration (3)